<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title> </title>
</head>

<body>
    <div id="app" data-state="0">
        <div class="ui-big-images">
            <div class="ui-big-image" data-key="0">
                <img src="https://picsum.photos/1200/1200/?image=1005" alt="" />
            </div>
            <div class="ui-big-image" data-key="1">
                <img src="https://picsum.photos/1200/1200/?image=804" alt="" />
            </div>
            <div class="ui-big-image" data-key="2">
                <img src="https://picsum.photos/1200/1200/?image=838" alt="" />
            </div>
            <div class="ui-big-image" data-key="3">
                <img src="https://picsum.photos/1200/1200/?image=832" alt="" />
            </div>
            <div class="ui-big-image" data-key="4">
                <img src="https://picsum.photos/1200/1200/?image=836" alt="" />
            </div>
            <div class="ui-big-image" data-key="5">
                <img src="https://picsum.photos/1200/1200/?image=823" alt="" />
            </div>
        </div>
        <div class="ui-thumbnails">
            <div class="ui-thumbnail" tabindex="-1" data-key="0">
                <img src="https://picsum.photos/1200/1200/?image=1005" alt="" />
                <div class="ui-cuticle" data-flip-key="cuticle"></div>
            </div>
            <div class="ui-thumbnail" tabindex="-1" data-key="1">
                <img src="https://picsum.photos/1200/1200/?image=804" alt="" />
                <div class="ui-cuticle" data-flip-key="cuticle"></div>
            </div>
            <div class="ui-thumbnail" tabindex="-1" data-key="2">
                <img src="https://picsum.photos/1200/1200/?image=838" alt="" />
                <div class="ui-cuticle" data-flip-key="cuticle"></div>
            </div>
            <div class="ui-thumbnail" tabindex="-1" data-key="3">
                <img src="https://picsum.photos/1200/1200/?image=832" alt="" />
                <div class="ui-cuticle" data-flip-key="cuticle"></div>
            </div>
            <div class="ui-thumbnail" tabindex="-1" data-key="4">
                <img src="https://picsum.photos/1200/1200/?image=836" alt="" />
                <div class="ui-cuticle" data-flip-key="cuticle"></div>
            </div>
            <div class="ui-thumbnail" tabindex="-1" data-key="5">
                <img src="https://picsum.photos/1200/1200/?image=823" alt="" />
                <div class="ui-cuticle" data-flip-key="cuticle"></div>
            </div>
        </div>
        <div class="ui-content">

            <nav class="ui-nav">
                <button id="prev" tabindex="-1" title="Previous"> < </button>
                        <button id="next" tabindex="-1" title="Next">></button>
            </nav>

            <div class="ui-articles">
                <article class="ui-article" data-key="0">
                    <h2 class="ui-heading">Stephen Shaw</h2>
                    <p class="ui-paragraph">Lorem ipsum dolor sit amet consectetur adipisicing elit. Beatae cupiditate
                        assumenda nemo delectus totam atque quas suscipit dicta.</p>
                </article>
                <article class="ui-article" data-key="1">
                    <h2 class="ui-heading">David Khourshid</h2>
                    <p class="ui-paragraph">Lorem ipsum dolor sit amet consectetur adipisicing elit. Quod sapiente
                        soluta iusto molestias ullam. </p>
                </article>
                <article class="ui-article" data-key="2">
                    <h2 class="ui-heading">Coding Compadre</h2>
                    <p class="ui-paragraph">Lorem ipsum dolor sit, amet consectetur adipisicing elit. </p>
                </article>
                <article class="ui-article" data-key="3">
                    <h2 class="ui-heading">Boolean Buddy</h2>
                    <p class="ui-paragraph">Lorem ipsum dolor sit amet consectetur, adipisicing elit. </p>
                </article>
                <article class="ui-article" data-key="4">
                    <h2 class="ui-heading">Animation Amigo</h2>
                    <p class="ui-paragraph">Lorem, ipsum dolor sit amet consectetur adipisicing elit. Molestias
                        exercitationem voluptatibus</p>
                </article>
                <article class="ui-article" data-key="5">
                    <h2 class="ui-heading">Keyframe Companion</h2>
                    <p class="ui-paragraph">Lorem ipsum dolor sit amet consectetur adipisicing elit. Molestiae soluta
                        reprehenderit, ut doloribus corrupti</p>
                </article>
            </div>
        </div>
    </div>
</body>
<link href="./css/style.css" rel="stylesheet">
<script src='https://unpkg.com/flipping@1.1.0/dist/flipping.web.js'></script>
<script>
    console.clear();

    const elPrevButton = document.querySelector('#prev');
    const elNextButton = document.querySelector('#next');
    const flipping = new Flipping();

    const elImages = Array.from(document.querySelectorAll('.ui-big-image'));
    const elThumbnails = Array.from(document.querySelectorAll('.ui-thumbnail'));

    let state = {
        photo: 0
    };

    function send(event) {
        // read cuticle positions
        flipping.read();

        const elActives = document.querySelectorAll('[data-active]');

        Array.from(elActives)
            .forEach(el => el.removeAttribute('data-active'));

        switch (event) {
            case 'PREV':
                state.photo--;
                // Math.max(state.photo - 1, 0);
                break;
            case 'NEXT':
                state.photo++;
                // Math.min(state.photo + 1, elImages.length - 1);
                break;
            default:
                state.photo = +event;
                break;
        }

        var len = elImages.length;
        // Loop Around
        //state.photo = ( ( state.photo % len) + len ) % len;
        state.photo = Math.max(0, Math.min(state.photo, len - 1));

        Array.from(document.querySelectorAll(`[data-key="${state.photo}"]`))
            .forEach(el => {
                el.setAttribute('data-active', true);
            });

        // execute the FLIP animation
        flipping.flip();
    }

    elThumbnails.forEach(thumb => {
        thumb.addEventListener('click', () => {
            send(thumb.dataset.key);
        });
    });

    elPrevButton.addEventListener('click', () => {
        send('PREV');
    });

    elNextButton.addEventListener('click', () => {
        send('NEXT');
    });

    send(0);
</script>

</html>